package com.ls.dao;

import java.util.List;

public class GoodsDao {
    public int add() {
        System.out.println("添加");
        return 1;
    }
    public int delete() {
        System.out.println("删除");
        return 1;
    }
    public int update() {
        System.out.println("修改");
        return 1;
    }
    public List<Object> query(){
        System.out.println("查询");
        return null;
    }
}
